A company that helps growers use their land more effectively has raised slightly more than $4 million by selling stock and options, according to a filing with the Securities and Exchange Commission.

Growers Holdings Inc. raised the money from six investors, according to the filing.

The company last raised money in July 2017, when it raised nearly $1 million.

The company was founded in 2011 by North Carolina State University alumnus Steven Valencsin. It collects data from farmers and then presents them with a 12-month plan for managing their land. Growers calibrates equipment, manages soil, and guides farmers through variable rate planting.

Valencsin grew up working on his family farm in Washington state. After serving in the U.S. Navy, Steven started North Carolina’s first private soil testing laboratory while an agronomy student at NC State.

Valencsin continues to refine his approach on Growers’ Research & Development Farm in Guilford County.

In addition to farms in North Carolina, The company also works with farms in South Dakota and Texas.

Companies similar to Growers Holdings, which rely on a Reg D exemption, aren’t required to register securities offerings with the SEC, but instead they must file a Form D electronically with the SEC after they sell the securities.